body{
    background-color: #F1F1F1;
    font: 14px "Microsoft YaHei", Arial, Helvetica, sans-serif;
}
#app {
    font-family: 'Avenir', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-align: center;
    color:black;
}
.slide-down{
    transform: translateY(0);
    -webkit-transition: transform .5s ease-out;
    -o-transition: transform .5s ease-out;
    transition: transform .5s ease-out;
}
.el-container{
    border-bottom: 4px solid black;
    position: relative;
    background-color: white;
}
.el-container:after{
    content: '';
    width: 100%;
    position: absolute;
    height: 2px;
    background-color: #a9a3a3;
    bottom: -10px;
}
.el-header .nav-item{
    margin: 0;
    list-style: none;
    position: relative;
    cursor: pointer;
    float: left;
}
.el-header .nav{
    height: 100%;
    line-height: 80px;
    background: transparent;
    padding: 0;
    margin: 0;
}
.el-header .nav-item a{
    text-decoration: none;
    color: #888;
    padding:5px 22px;
}
.el-header{
    width: 100%;
}
.el-header h1{
    float: left;
    margin-right: 30px;
    margin-top: 8px;
}
.el-header .container{
    margin: 0 20px;
}
.router-link-exact-active{
    background-color: #FF5744;
    color: white!important;
}
.clearfix:after{
      content: '';
    height: 0;
    line-height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}
 .clearfix {
     zoom: 1;
 }